Re: Sending mail: line wrapping and quoted-printable encoding

[Gregor Zattler <telegraph@gmx.net>]

Hi Radu, emacs users,
* Radu Butoi <rbutoi@gmail.com> [2020-04-27; 18:20]:
> Gregor Zattler <telegraph@gmx.net> writes:
>> And then there is the question who other providers will show
>> quoted-printable E-Mails in their clients (web interfaces).
>
> I appreciate your skepticism here :-) -- but from everything I've read the quoted-printable encoding is well-supported by most/all email clients. It is from RFC2045 (MIME), whereas f=f is the lesser-supported RFC3676. Doing a search of my maildir, I find a large majority of them contain it. To test this, I'll be sending this message without hard-wrapping and with the Q-P encoding. If it shows up fine, I think I need to `edebug` the Emacs MIME library to find out exactly what's going wrong.

This paragraph of yours is wrapped fine by notmuch show, but
this is to expect, it's merely a single long line.  I do not
re-fill it here.

f=f is different though it:

1. f=f renders paragraphs with soft line breaks thus every
   email client should be able to show it even if not able
   to grok f=f.
2. f=f enabled mail clients are not only capable of
   re-flowing the paragraphs to the window size, but even
   quoting in several levels is preserved while reflowing
   the paragraphs


>> thanks a lot for this screenshot.  Obviously this also
>> depends on the users font size.  I now re-wraped this whole
>> email to 60 chars per line and hope it displays well.
>
> Ah, there's no need to do that, since it is clearly Gmail
> who is at fault here. Emacs is my main way or reading and
> writing mail, I'd just like to have the option to use my
> phone.

I re-filled your last paragraph.

I fiddled around f=f several years ago and found

a. support in email clients to be lacking
b. f=f does not support, but to the contrary ruins, plain
   lists and indented paragraphs.


Points a. and b. were deal breakers for me and so I stay
with hard line breaks till today.  But since I want my
emails to be readable even for people on mobile devices I
opted for short lines.  Thus your screenshot is really
helpful for me.

> Thanks for your responses! And let me know if this shows up okay.

Have a look for yourself, ciao; Gregor
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